AMMONIA RECOVERY & HYDROGEN CALCULATOR

What More Could Your Wastewater Deliver?

Evaluate the potential to recover ammonia and produce hydrogen while understanding the energy requirements and economics of your wastewater treatment process.

3 BENEFIT INDICATORS

Ammonia & Hydrogen Potential | Energy Profile | Project Economics

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User Inputs

Enter your wastewater & market parameters

Wastewater flow rate Total volume of wastewater processed per day

m³/day

Ammonia inlet concentration Ammonia (NH₃) concentration in the raw wastewater

mg/L

Electricity price

$/kWh

Hydrogen price

$/kg

Value of wastewater treatment

$/m³

Your Preliminary Results

Resource recovery & treated water quality

Ammonia recovery

N/A kg/day

Hydrogen production

N/A t/yr

Ammonia outlet concentration

N/A mg/L

Additional Operational Metrics

OPEX

N/A $/yr

Thermal load

N/A kWth

Electrical load

N/A kWe

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Additional Operational Metrics

OPEX

N/A

Thermal load

N/A

Electrical load — ammonia recovery

N/A

Electrical load — H₂ production

N/A

Financial & Investment Indicators

Simple payback Total CAPEX ÷ (Annual revenue − Annual OPEX)

N/A

Estimated IRR Approximation: 100 ÷ Simple payback (years)

N/A

Comparative Costs of Wastewater Treatment Technologies

Technology	USD/g NH₃	Cost per m³ (USD)	Remarks
Biological nitrification-denitrification	0.002 – 0.01	7 – 35	Low OPEX but needs large footprint and aeration.
Air stripping (with pH adjustment)	0.005 – 0.02	17.5 – 70	Requires heat and caustic dosing; scalable.
Steam stripping	0.01 – 0.03	35 – 105	Energy-intensive but enables ammonia recovery.
Ion exchange	0.01 – 0.05	35 – 175	High cost at high loadings unless ammonia is recovered.
Chemical precipitation (struvite)	0.03 – 0.10	105 – 350	Not ideal alone for high loads; depends on phosphorus content.
Membrane separation	0.05 – 0.20	175 – 700	Advanced option, costly unless for niche or polishing use.
Electrochemical / advanced oxidation	0.10 – 0.50	350 – 1,750	Generally uneconomical for high loads unless integrated system.

Disclaimer: This calculator provides ballpark estimates for informational purposes only. The results are based on the inputs provided by the user and predefined assumptions. Actual results may vary. This information should not be considered as financial advice or a guarantee of performance.